Gecko [ lorencats.com ]

Name	Size	Permission
annotations.rb	1.97 KB	-rw-r--r--
byte_string.rb	247 B	-rw-r--r--
destinations.rb	3.02 KB	-rw-r--r--
document_state.rb	2.39 KB	-rw-r--r--
filter_list.rb	874 B	-rw-r--r--
filters.rb	760 B	-rw-r--r--
graphics_state.rb	2.29 KB	-rw-r--r--
literal_string.rb	573 B	-rw-r--r--
name_tree.rb	4.15 KB	-rw-r--r--
object_store.rb	2.22 KB	-rw-r--r--
outline_item.rb	763 B	-rw-r--r--
outline_root.rb	295 B	-rw-r--r--
page.rb	5.67 KB	-rw-r--r--
page_geometry.rb	3.77 KB	-rw-r--r--
pdf_object.rb	3.58 KB	-rw-r--r--
reference.rb	1.83 KB	-rw-r--r--
renderer.rb	7.81 KB	-rw-r--r--
stream.rb	2.07 KB	-rw-r--r--
text.rb	9.92 KB	-rw-r--r--
utils.rb	207 B	-rw-r--r--

Code Editor : stream.rb

# frozen_string_literal: true

# prawn/core/stream.rb : Implements Stream objects
#
# Copyright February 2013, Alexander Mankuta.  All Rights Reserved.
#
# This is free software. Please see the LICENSE and COPYING files for details.

module PDF
  module Core
    class Stream
      attr_reader :filters

def initialize(io = nil)
        @filtered_stream = ''
        @stream = io
        @filters = FilterList.new
      end

def <<(io)
        (@stream ||= +'') << io
        @filtered_stream = nil
        self
      end

def compress!
        unless @filters.names.include? :FlateDecode
          @filtered_stream = nil
          @filters << :FlateDecode
        end
      end

def compressed?
        @filters.names.include? :FlateDecode
      end

def empty?
        @stream.nil?
      end

def filtered_stream
        if @stream
          if @filtered_stream.nil?
            @filtered_stream = @stream.dup

@filters.each do |(filter_name, params)|
              filter = PDF::Core::Filters.const_get(filter_name)
              if filter
                @filtered_stream = filter.encode @filtered_stream, params
              end
            end
          end

@filtered_stream
          # XXX Fillter stream
        end
      end

def length
        @stream.length
      end

def object
        if filtered_stream
          "stream\n#{filtered_stream}\nendstream\n"
        else
          ''
        end
      end

def data
        if @stream
          filter_names = @filters.names
          filter_params = @filters.decode_params

d = {
            Length: filtered_stream.length
          }
          if filter_names.any?
            d[:Filter] = filter_names
          end
          if filter_params.any? { |f| !f.nil? }
            d[:DecodeParms] = filter_params
          end

d
        else
          {}
        end
      end

def inspect
        "#<#{self.class.name}:0x#{format '%014x', object_id} "\
          "@stream=#{@stream.inspect}, @filters=#{@filters.inspect}>"
      end
    end
  end
end

${this.title}

Code Editor : stream.rb